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Chemistry Questions and Answers

General Science
13. Which of the following is a super cooled liquid?
 
  • A. teflon
  • B. mercury
  • C. ice cream
  • D. glass
 
 
14. Curd is sour due to presence of
 
  • A. tartaric acid
  • B. oxalic acid
  • C. acidic acid
  • D. lactic acid
 
15. Brass is an alloy of
 
  • A. copper and tin
  • B. copper and zinc
  • C. copper and iron
  • D. zinc and aluminum
 
16. Which one of the following elements is not present in stainless steel?
 
  • A. iron
  • B. chromium
  • C. nickel
  • D. tungsten